DLMF:1.17.E25 (Q684): Difference between revisions

Revision as of 16:46, 1 January 2020

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Language	Label	Description	Also known as
English	DLMF:1.17.E25	No description defined

{\displaystyle{\displaystyle\delta\left(\cos\theta_{1}-\cos\theta_{2}\right)% \delta\left(\phi_{1}-\phi_{2}\right)=\sum_{\ell=0}^{\infty}\sum_{m=-\ell}^{% \ell}Y_{{\ell},{m}}\left(\theta_{1},\phi_{1}\right)\overline{Y_{{\ell},{m}}% \left(\theta_{2},\phi_{2}\right)}.}}

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DLMF:1.17.E25

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{\displaystyle{\displaystyle\delta\left(\NVar{x-a}\right)}}

C1.S17.SS1.p1.m2aldec

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@@ Property / Symbols used @@
+Q10915
@@ Property / Symbols used: Q10915 / rank @@
+Normal rank
@@ Property / Symbols used: Q10915 / qualifier @@
+Defining formula:  ${\displaystyle{\displaystyle\delta\left(\NVar{x-a}\right)}}$ 
\Diracdelta@{\NVar{x-a}}
@@ Property / Symbols used: Q10915 / qualifier @@
+xml-id: C1.S17.SS1.p1.m2aldec